<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>unauthc</title>

    <style type="text/css">
        #unauthc{
            text-align: center;
            height: 400px;
        }
        #h1{
            position: relative;
            top: 50%;
        }
    </style>

</head>
<body>
    <div id="unauthc">
        <h1 id="h1">you are unauthc</h1>
    </div>
</body>
</html>